CN102141007A - Direct drive switch magnetic resistance wind driven generator system with concentric type double-stator structure - Google Patents
Direct drive switch magnetic resistance wind driven generator system with concentric type double-stator structure Download PDFInfo
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- CN102141007A CN102141007A CN2011100439405A CN201110043940A CN102141007A CN 102141007 A CN102141007 A CN 102141007A CN 2011100439405 A CN2011100439405 A CN 2011100439405A CN 201110043940 A CN201110043940 A CN 201110043940A CN 102141007 A CN102141007 A CN 102141007A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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Abstract
The invention relates to a direct drive magnetic resistance wind driven generator system with a concentric type double-stator structure. A generator is a switch magnetic resistance motor, and is formed by combining an inner rotor generator and an outer rotor generator which are concentric; the inner rotor generator is matched with an outer stator and an inner rotor, and the outer rotor generator is matched with an outer rotator and an inner stator; the inner rotor and the outer rotor are fixed on a support frame and is connected with an impeller rotation shaft of a wind machine so as to realize rotation; and the outer stator and the inner stator are fixed on a case and a dead axle. The direct drive magnetic resistance wind driven generator system has a simple structure, low cost, and a small volume, and is durable and maintenance-free; and the efficiency of the generator is high, a machine set can be switched to be operated in a low speed when a wind speed is low, and the electric energy production of the unit is improved.
Description
Technical field
The present invention relates to the wind-driven generator field, especially the direct wind-driven generator of concentric type double-stator structure.
Background technique
In recent years, wind energy has obtained using widely as clean energy resource, and wherein a kind of mode of effectively utilizing is exactly a wind-power electricity generation.The innovation of wind power technology is very fast in the world, and electric motor power is increasing, and the non-gear box directly technology of driving is a main trend of following wind power technology.In direct-driving wind power generator, adopt magneto alternator and electric excitation synchro wind generator more; Wherein, need to install permanent-magnet material on the magneto alternator rotor, loss of excitation easily takes place in permanent-magnet material under environment such as short circuit, high temperature and judder; Permanent-magnet material is subjected to the restriction of resource and policy, and price constantly goes up; P-m rotor is ferromagnetic parts, and is higher to production scene and manufacturing technique requirent, brought great difficulty for processing and assembling.On the electricity excitation synchro wind generator rotor DC excitation winding is arranged, need slip ring and carbon brush configuration that the DC excitation electric current is provided, necessary periodic maintenance of slip ring and carbon brush configuration and replacing have increased maintenance cost and fault occurrence probability.But direct wind-driven generator is owing to directly be connected with wind energy conversion system, and its rotating speed is low, number of poles is many, and the stator and rotor size is big, is the flat structure, and motor internal has bigger space and do not utilize.
Summary of the invention
The applicant is low at the rotating speed that the direct linkage structure of above-mentioned existing direct wind-driven generator produces, number of poles is many, shortcomings such as size is big, what a kind of concentric type double-stator structure rational in infrastructure was provided directly drives the switching magnetic-resistance wind powered generator system, thereby has reduced size greatly, has improved generating efficiency.
The technical solution adopted in the present invention is as follows:
A kind of concentric type double-stator structure directly drive the switching magnetic-resistance wind powered generator system, generator is a switched reluctance machines, combine by two concentric internal rotor generator and outer rotor generators, described internal rotor generator is cooperated by external stator and internal rotor, and described outer rotor generator is cooperated by external rotor and inner stator; Described internal rotor and described external rotor are fixed on the supporting frame, and are connected the realization revolution with the impeller shaft of wind energy conversion system; Described external stator and described inner stator are fixed on casing and the dead axle.It is further characterized in that:
The internal rotor generator and the outer rotor generator of described switched reluctance machines are controlled by position transducer, be connected with multiwinding transformer by power inverter, inverter, the circuit breaker that is connected in series respectively, the output terminal of multiwinding transformer is connected to electrical network.
Beneficial effect of the present invention is:
(1) simple in structure, durable, cost is low, volume is little, non-maintaining; (2) compact structure, specific volume power is big; (3) under different wind speed, by changing generator capacity, the wind energy of input and the power of generator are complementary, realize maximal power tracing, improve the energy conversion efficiency of system; (4) in the whole service velocity range, generator efficiency height, annual electricity generating capacity height; (5) unit can be than low cruise, thereby makes unit can cut when lower wind speed, improves the unit generation amount.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the double-stator structure sectional view of direct wind-driven generator.
Fig. 3 is the sectional view of switching magnetic-resistance wind-driven generator of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
The present invention adopts the switching magnetic-resistance wind-driven generator of double-stator structure, can overcome the shortcoming of magneto alternator and electric excitation synchronous generator, compact structure, and control performance is good, increases specific volume power.
As Fig. 2, shown in Figure 3, concentric type double-stator structure of the present invention directly drives generator 2 can regard two concentric motors compositions as: one is the internal rotor generator, is made up of external stator 25 and internal rotor 26; Another is an outer rotor generator, is made up of external rotor 27 and inner stator 28; Winding 25-1 is wound on the external stator 25, and winding 28-1 is wound on the inner stator 28; Internal rotor 26 and external rotor 27 are fixed on the supporting frame 29, and supporting frame 29 is connected with impeller 1 rotating shaft realizes revolution; External stator 25 is fixed on casing 24 and the dead axle with inner stator 28.As shown in Figure 1, the internal rotor generator is connected with power inverter 5 by power inverter 4 respectively with outer rotor generator, control by position transducer 3, output DC, be converted to Ac via inverter 6 and inverter 7, be connected with multiwinding transformer 10 with circuit breaker 9 by circuit breaker 8, be connected to electrical network 11 at last.Under different wind speed, by changing generator capacity, the wind energy of input and the power of generator are complementary, realize maximal power tracing, improve the energy conversion efficiency of system.The power of inside and outside rotor generator is according to certain pro rate (as 2:1), and unit can divide the power operation according to different wind speed, as following of low wind conditions outer rotor generator being incorporated into the power networks; Along with wind speed improves, the internal rotor generator connecting in parallel with system is moved; After reaching rated wind speed, inside and outside rotor generator is incorporated into the power networks simultaneously, reach rated power.
More than describing is explanation of the invention, is not that institute of the present invention restricted portion is referring to claim to the qualification of invention, and under the situation of spirit of the present invention, the present invention can do any type of modification.
Claims (2)
1. a concentric type double-stator structure directly drives the switching magnetic-resistance wind powered generator system, it is characterized in that: generator is a switched reluctance machines, combine by two concentric internal rotor generator and outer rotor generators, described internal rotor generator is cooperated by external stator and internal rotor, and described outer rotor generator is cooperated by external rotor and inner stator; Described internal rotor and described external rotor are fixed on the supporting frame, and are connected the realization revolution with the impeller shaft of wind energy conversion system; Described external stator and described inner stator are fixed on casing and the dead axle.
2. directly drive the switching magnetic-resistance wind powered generator system according to the described concentric type double-stator structure of claim 1, it is characterized in that: the internal rotor generator and the outer rotor generator of described switched reluctance machines are controlled by position transducer, be connected with multiwinding transformer by power inverter, inverter, the circuit breaker that is connected in series respectively, the output terminal of multiwinding transformer is connected to electrical network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100439405A CN102141007A (en) | 2011-02-24 | 2011-02-24 | Direct drive switch magnetic resistance wind driven generator system with concentric type double-stator structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100439405A CN102141007A (en) | 2011-02-24 | 2011-02-24 | Direct drive switch magnetic resistance wind driven generator system with concentric type double-stator structure |
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| CN102141007A true CN102141007A (en) | 2011-08-03 |
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| CN2011100439405A Pending CN102141007A (en) | 2011-02-24 | 2011-02-24 | Direct drive switch magnetic resistance wind driven generator system with concentric type double-stator structure |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013020252A1 (en) * | 2011-08-05 | 2013-02-14 | 国电联合动力技术有限公司 | Large-scale direct-driven disk type switched reluctance wind generator and system thereof |
| CN103023245A (en) * | 2012-12-26 | 2013-04-03 | 国电联合动力技术有限公司 | Double-bearing support double-stator switch magnetic-resistance wind power generator and unit system thereof |
| CN106440360A (en) * | 2015-08-05 | 2017-02-22 | 江苏金源锻造股份有限公司 | Wind power generation heating system of crude oil storage tank |
| CN107476938A (en) * | 2017-08-13 | 2017-12-15 | 长沙小新新能源科技有限公司 | A kind of double-stator permanent magnet wind generator system |
| CN108282120A (en) * | 2018-02-01 | 2018-07-13 | 上海电机学院 | Double-stator permanent magnet synchronous generator control system and method for wind-power electricity generation |
| CN110138163A (en) * | 2019-05-22 | 2019-08-16 | 湖北研道特磁科技有限公司 | A kind of bimorph transducer alternating current-direct current power generation motor system applied in energy-accumulating power station |
| CN110149037A (en) * | 2019-05-06 | 2019-08-20 | 河北科技大学 | A kind of double-stator and double-salient pole high-power generator |
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| US5783893A (en) * | 1995-10-20 | 1998-07-21 | Newport News Shipbuilding And Dry Dock Company | Multiple stator, single shaft electric machine |
| CN101017998A (en) * | 2007-03-12 | 2007-08-15 | 东南大学 | Directly driving mixed excitation dual stator wind power dynamotor |
| CN101355284B (en) * | 2008-05-30 | 2010-06-23 | 西安交通大学 | Wave straightly-drive type straight-line magneto resistance power generation system |
| CN201953572U (en) * | 2011-02-24 | 2011-08-31 | 中科盛创（青岛）电气有限公司 | Direct-driven switched reluctance wind power generator system with concentric two-stator structure |
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2011
- 2011-02-24 CN CN2011100439405A patent/CN102141007A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5783893A (en) * | 1995-10-20 | 1998-07-21 | Newport News Shipbuilding And Dry Dock Company | Multiple stator, single shaft electric machine |
| CN101017998A (en) * | 2007-03-12 | 2007-08-15 | 东南大学 | Directly driving mixed excitation dual stator wind power dynamotor |
| CN101355284B (en) * | 2008-05-30 | 2010-06-23 | 西安交通大学 | Wave straightly-drive type straight-line magneto resistance power generation system |
| CN201953572U (en) * | 2011-02-24 | 2011-08-31 | 中科盛创（青岛）电气有限公司 | Direct-driven switched reluctance wind power generator system with concentric two-stator structure |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013020252A1 (en) * | 2011-08-05 | 2013-02-14 | 国电联合动力技术有限公司 | Large-scale direct-driven disk type switched reluctance wind generator and system thereof |
| CN103023245A (en) * | 2012-12-26 | 2013-04-03 | 国电联合动力技术有限公司 | Double-bearing support double-stator switch magnetic-resistance wind power generator and unit system thereof |
| CN106440360A (en) * | 2015-08-05 | 2017-02-22 | 江苏金源锻造股份有限公司 | Wind power generation heating system of crude oil storage tank |
| CN107476938A (en) * | 2017-08-13 | 2017-12-15 | 长沙小新新能源科技有限公司 | A kind of double-stator permanent magnet wind generator system |
| CN107476938B (en) * | 2017-08-13 | 2019-10-08 | 长沙小新新能源科技有限公司 | A kind of double-stator permanent magnet wind generator system |
| CN108282120A (en) * | 2018-02-01 | 2018-07-13 | 上海电机学院 | Double-stator permanent magnet synchronous generator control system and method for wind-power electricity generation |
| CN110149037A (en) * | 2019-05-06 | 2019-08-20 | 河北科技大学 | A kind of double-stator and double-salient pole high-power generator |
| CN110149037B (en) * | 2019-05-06 | 2022-04-19 | 河北科技大学 | Double-stator and double-convex maximum power generator |
| CN110138163A (en) * | 2019-05-22 | 2019-08-16 | 湖北研道特磁科技有限公司 | A kind of bimorph transducer alternating current-direct current power generation motor system applied in energy-accumulating power station |
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Application publication date: 20110803 |